Home / 26,489.99-39,726.20-10,690.94

Finding the Fourth Proportional to 26,489.99, 39,726.20 and 10,690.94

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Solution

The fourth proportional to 26,489.99, 39,726.20 and 10,690.94 is: 16,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.99 : 39,726.20 = 10,690.94 : x
  2. Step 2: Convert to fraction form
    26,489.99/39,726.20 = 10,690.94/x
  3. Step 3: Cross multiply
    26,489.99x = 39,726.20 × 10,690.94
  4. Step 4: Simplify right side
    26,489.99x = 424,710,248.72
  5. Step 5: Solve for x
    x = 424,710,248.72/26,489.99
  6. Step 6: Final answer
    x = 16,032.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.